In two separately paged volumes a year: the issues for Feb. (for Mar. in 1931 and 1932) June and Dec. form the odd-numbered volumes; the issues for Apr. and Oct. (for Oct. only in 1931 and 1932) form the even-numbered volumes.
Issues for 1956-1985 called série 3, t. 1-120 série générale,t. 77-106; issues for 1986- called 4. série, 1986, nos 1-2- série générale, t. 107-
Issue for 4. série, 1996, nos 1-2 série générale, t. 116 has no numbering or dates, but has title: Henri Berr et la culture de xxe siècle.